1020423323311 has 32 divisors (see below), whose sum is σ = 1190937323520. Its totient is φ = 856296519936.

The previous prime is 1020423323209. The next prime is 1020423323351. The reversal of 1020423323311 is 1133233240201.

It is a cyclic number.

It is not a de Polignac number, because 1020423323311 - 2¹⁵ = 1020423290543 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1020423323351) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 227111781 + ... + 227116273.

It is an arithmetic number, because the mean of its divisors is an integer number (37216791360).

Almost surely, 2^{1020423323311} is an apocalyptic number.

1020423323311 is a deficient number, since it is larger than the sum of its proper divisors (170514000209).

1020423323311 is a wasteful number, since it uses less digits than its factorization.

1020423323311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8103.

The product of its (nonzero) digits is 2592, while the sum is 25.

Adding to 1020423323311 its reverse (1133233240201), we get a palindrome (2153656563512).

The spelling of 1020423323311 in words is "one trillion, twenty billion, four hundred twenty-three million, three hundred twenty-three thousand, three hundred eleven".